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Finding the Fourth Proportional to 144,423.60, 199,237.41 and 93,452.79

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Solution

The fourth proportional to 144,423.60, 199,237.41 and 93,452.79 is: 128,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,423.60 : 199,237.41 = 93,452.79 : x
  2. Step 2: Convert to fraction form
    144,423.60/199,237.41 = 93,452.79/x
  3. Step 3: Cross multiply
    144,423.60x = 199,237.41 × 93,452.79
  4. Step 4: Simplify right side
    144,423.60x = 18,619,291,214.26
  5. Step 5: Solve for x
    x = 18,619,291,214.26/144,423.60
  6. Step 6: Final answer
    x = 128,921.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.